Currently viewing the category:
"Lower Secondary"
Squares 1, 2 and 3 all have edges of length 1 unit.
The top edge of square 2 is split into equal parts of length ½.
The left hand edge of square 3 is split into equal parts of length ½.
The top and bottom edges of square 3 is split into lengths ¼, […]
This diagram shows 3 sets of parallel lines. What do you notice in the diagram?
Look at the triangle with angles marked 1, 2 and 3.
Call this T.
Label angles equal to these angles. Why are they equal?
Look at the larger heavily outlined triangle.
How many copies of triangle T can […]
Fractions, decimals and percentages are three different ways of writing the same number and it is important that we can convert one form into another.
Divide 2 by 11 to get the decimal fraction equivalent to the common fraction two elevenths . Carry on dividing until you see a patttern. Will this […]
This baobab tree in Senegal is reported to be 6000 years old.
Try to estimate the distance around the tree trunk at its base measured in metres.
Does this picture give you an idea how you might use the picture, with your class at school, to work out a better estimate […]
Let’s walk from here to that tree,
How many paces will that be?
Spread your fingers as wide as you can,
What you have now is called a hand span .
A hand span can help you to find out how big
Is the height of a cow, a […]
Najwa and Zuki play a game.
They put two red and four blue ribbons in a box. They pull out two ribbons at the same time without looking at the colours.
Najwa wins if both ribbons are the same colour.
Zuki wins if the two ribbons are different colours.
You could play the […]
Add the columns one by one, add the rows, then add the diagonals. What do you notice?
Add the numbers in the squares at the corners of each parallelogram shown. What do you notice? Yes, so far all these totals have been 34.
In addition the diagram with the […]
Fold a piece of paper in two and tear out half a person. An old newspaper is good for this. Now open out your little person and flatten it. You have made a paper doll that is symmetrical about the fold line. The two halves of the doll on […]
This is a game for two players. It requires a lot of thinking and strategic play.
Each player has 5 counters, bottle tops, buttons or stones that look different from the counters used by the other player.
To win the player must be the first to get his or her 5 counters […]
FOLLOW US ON SOCIAL MEDIA
